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Fars, Iran

Dūst-e Īrān · Ubora wa hewa

Jumamosi, 7 Nov · Asia/Tehran

Dūst-e Īrān air quality

US air quality index

77

Wastani

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100Current category
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200
  5. Hewa yenye madhara makubwa201–300
  6. Hatari301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

Vichafuzi vyote

PM1
7 µg/m³
PM2.5
19 µg/m³
PM10
64 µg/m³
Ozoni
43.3 µg/m³
Dioksidi ya nitrojeni
9.3 µg/m³
Dioksidi ya salfa
2 µg/m³
Monoksidi ya kaboni
114.7 µg/m³
European AQI (separate scale)
4